Did you see who the driver was?—No, so quickly _______ that I couldn’t gat a good look at his face[ ]

Languages across the world are becoming extinct ______ endangered mammals and four times endangered birds.

Don’t waste any paper, because ourforests ____ every day.—-Sorry, I didn’t know that.

Mom, my ______ are too short. Will you buy me a new pair

I think it’s hard for us to realize our dreams.– Yes, but we will achieve them without doubt if we ________ them.